Refactor API message handling code
This is preparation for new C API. Moving common stuff to separate
headers reduces dependency issues.
Change-Id: Ie7adb23398de72448e5eba6c1c1da4e1bc678725
Signed-off-by: Klement Sekera <ksekera@cisco.com>
diff --git a/src/svm.am b/src/svm.am
index 442eba8..7116eb3 100644
--- a/src/svm.am
+++ b/src/svm.am
@@ -13,7 +13,7 @@
bin_PROGRAMS += svmtool svmdbtool
-nobase_include_HEADERS += svm/svm.h svm/ssvm.h svm/svmdb.h \
+nobase_include_HEADERS += svm/svm.h svm/svm_common.h svm/ssvm.h svm/svmdb.h \
svm/svm_fifo.h svm/svm_fifo_segment.h
lib_LTLIBRARIES += libsvm.la libsvmdb.la
diff --git a/src/svm/svm.h b/src/svm/svm.h
index 06797fa..894c3d9 100644
--- a/src/svm/svm.h
+++ b/src/svm/svm.h
@@ -24,106 +24,10 @@
#include <pthread.h>
#include <vppinfra/clib.h>
#include <vppinfra/mem.h>
+#include <svm/svm_common.h>
#define MMAP_PAGESIZE (clib_mem_get_page_size())
-#define SVM_VERSION ((1<<16) | 1) /* set to declare region ready. */
-
-#define SVM_FLAGS_MHEAP (1<<0) /* region contains an mheap */
-#define SVM_FLAGS_FILE (1<<1) /* region backed by one or more files */
-#define SVM_FLAGS_NODATA (1<<2) /* region will be further subdivided */
-#define SVM_FLAGS_NEED_DATA_INIT (1<<3)
-
-#define SVM_PVT_MHEAP_SIZE (128<<10) /* region's private mheap (128k) */
-
-typedef struct svm_region_
-{
- volatile uword version;
- pthread_mutex_t mutex;
- pthread_cond_t condvar;
- int mutex_owner_pid; /* in case of trouble */
- int mutex_owner_tag;
- uword flags;
- uword virtual_base; /* base of the region object */
- uword virtual_size;
- void *region_heap;
- void *data_base; /* data portion base address */
- void *data_heap; /* data heap, if any */
- volatile void *user_ctx; /* user context pointer */
- /* stuff allocated in the region's heap */
- uword bitmap_size; /* nbits in virtual alloc bitmap */
- uword *bitmap; /* the bitmap */
- char *region_name;
- char *backing_file;
- char **filenames;
- uword *client_pids;
- /* pad */
-
- /* next page:
- * (64K) clib heap for the region itself
- *
- * data_base -> whatever is in this region
- */
-
-} svm_region_t;
-
-typedef struct svm_map_region_args_
-{
- const char *root_path; /* NULL means use the truly global arena */
- const char *name;
- u64 baseva;
- u64 size;
- u64 pvt_heap_size;
- uword flags;
- char *backing_file;
- uword backing_mmap_size;
- /* uid, gid to own the svm region(s) */
- int uid;
- int gid;
-} svm_map_region_args_t;
-
-
-/*
- * Memory shared across all router instances. Packet buffers, etc
- * Base should be "out of the way," and size should be big enough to
- * cover everything we plan to put here.
- */
-#define SVM_GLOBAL_REGION_BASEVA 0x30000000
-#define SVM_GLOBAL_REGION_SIZE (64<<20)
-#define SVM_GLOBAL_REGION_NAME "/global_vm"
-
-/*
- * Memory shared across individual router instances.
- */
-#define SVM_OVERLAY_REGION_BASEVA \
- (SVM_GLOBAL_REGION_BASEVA + SVM_GLOBAL_REGION_SIZE)
-#define SVM_OVERLAY_REGION_SIZE (1<<20)
-#define SVM_OVERLAY_REGION_BASENAME "/overlay_vm"
-
-typedef struct
-{
- u8 *subregion_name;
-} svm_subregion_t;
-
-typedef struct
-{
- svm_subregion_t *subregions; /* subregion pool */
- uword *name_hash;
- u8 *root_path;
-} svm_main_region_t;
-
-
-void *svm_region_find_or_create (svm_map_region_args_t * a);
-void svm_region_init (void);
-void svm_region_init_chroot (const char *root_path);
-void svm_region_init_chroot_uid_gid (const char *root_path, int uid, int gid);
-void svm_region_init_args (svm_map_region_args_t * a);
-void svm_region_exit (void);
-void svm_region_unmap (void *rp_arg);
-void svm_client_scan (const char *root_path);
-void svm_client_scan_this_region_nolock (svm_region_t * rp);
-u8 *shm_name_from_svm_map_region_args (svm_map_region_args_t * a);
-
static inline void *
svm_mem_alloc (svm_region_t * rp, uword size)
{
@@ -192,10 +96,6 @@
clib_mem_set_heap (oldheap);
}
-u8 *format_svm_region (u8 * s, va_list * args);
-
-svm_region_t *svm_get_root_rp (void);
-
#endif /* __included_svm_h__ */
/*
diff --git a/src/svm/svm_common.h b/src/svm/svm_common.h
new file mode 100644
index 0000000..1f18443
--- /dev/null
+++ b/src/svm/svm_common.h
@@ -0,0 +1,133 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2009 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#ifndef __included_svm_common_h__
+#define __included_svm_common_h__
+
+#include <stdarg.h>
+#include <pthread.h>
+#include <vppinfra/types.h>
+
+#define SVM_VERSION ((1<<16) | 1) /* set to declare region ready. */
+
+#define SVM_FLAGS_MHEAP (1<<0) /* region contains an mheap */
+#define SVM_FLAGS_FILE (1<<1) /* region backed by one or more files */
+#define SVM_FLAGS_NODATA (1<<2) /* region will be further subdivided */
+#define SVM_FLAGS_NEED_DATA_INIT (1<<3)
+
+#define SVM_PVT_MHEAP_SIZE (128<<10) /* region's private mheap (128k) */
+
+typedef struct svm_region_
+{
+ volatile uword version;
+ pthread_mutex_t mutex;
+ pthread_cond_t condvar;
+ int mutex_owner_pid; /* in case of trouble */
+ int mutex_owner_tag;
+ uword flags;
+ uword virtual_base; /* base of the region object */
+ uword virtual_size;
+ void *region_heap;
+ void *data_base; /* data portion base address */
+ void *data_heap; /* data heap, if any */
+ volatile void *user_ctx; /* user context pointer */
+ /* stuff allocated in the region's heap */
+ uword bitmap_size; /* nbits in virtual alloc bitmap */
+ uword *bitmap; /* the bitmap */
+ char *region_name;
+ char *backing_file;
+ char **filenames;
+ uword *client_pids;
+ /* pad */
+
+ /* next page:
+ * (64K) clib heap for the region itself
+ *
+ * data_base -> whatever is in this region
+ */
+
+} svm_region_t;
+
+typedef struct svm_map_region_args_
+{
+ const char *root_path; /* NULL means use the truly global arena */
+ const char *name;
+ u64 baseva;
+ u64 size;
+ u64 pvt_heap_size;
+ uword flags;
+ char *backing_file;
+ uword backing_mmap_size;
+ /* uid, gid to own the svm region(s) */
+ int uid;
+ int gid;
+} svm_map_region_args_t;
+
+
+/*
+ * Memory shared across all router instances. Packet buffers, etc
+ * Base should be "out of the way," and size should be big enough to
+ * cover everything we plan to put here.
+ */
+#define SVM_GLOBAL_REGION_BASEVA 0x30000000
+#define SVM_GLOBAL_REGION_SIZE (64<<20)
+#define SVM_GLOBAL_REGION_NAME "/global_vm"
+
+/*
+ * Memory shared across individual router instances.
+ */
+#define SVM_OVERLAY_REGION_BASEVA \
+ (SVM_GLOBAL_REGION_BASEVA + SVM_GLOBAL_REGION_SIZE)
+#define SVM_OVERLAY_REGION_SIZE (1<<20)
+#define SVM_OVERLAY_REGION_BASENAME "/overlay_vm"
+
+typedef struct
+{
+ u8 *subregion_name;
+} svm_subregion_t;
+
+typedef struct
+{
+ svm_subregion_t *subregions; /* subregion pool */
+ uword *name_hash;
+ u8 *root_path;
+} svm_main_region_t;
+
+
+void *svm_region_find_or_create (svm_map_region_args_t * a);
+void svm_region_init (void);
+void svm_region_init_chroot (const char *root_path);
+void svm_region_init_chroot_uid_gid (const char *root_path, int uid, int gid);
+void svm_region_init_args (svm_map_region_args_t * a);
+void svm_region_exit (void);
+void svm_region_unmap (void *rp_arg);
+void svm_client_scan (const char *root_path);
+void svm_client_scan_this_region_nolock (svm_region_t * rp);
+u8 *shm_name_from_svm_map_region_args (svm_map_region_args_t * a);
+u8 *format_svm_region (u8 * s, va_list * args);
+
+svm_region_t *svm_get_root_rp (void);
+
+#endif /* __included_svm_common_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vlib-api.am b/src/vlib-api.am
index eea5242..677811b 100644
--- a/src/vlib-api.am
+++ b/src/vlib-api.am
@@ -30,7 +30,10 @@
vlibmemory/vl_memory_api_h.h \
vlibmemory/vl_memory_msg_enum.h
-nobase_include_HEADERS += vlibapi/api.h vlibapi/api_helper_macros.h vlibapi/vat_helper_macros.h
+nobase_include_HEADERS += vlibapi/api.h \
+ vlibapi/api_common.h \
+ vlibapi/api_helper_macros.h \
+ vlibapi/vat_helper_macros.h
libvlibmemoryclient_la_DEPENDENCIES = libvppinfra.la libsvm.la
libvlibmemoryclient_la_LIBADD = $(libvlibmemoryclient_la_DEPENDENCIES) -lpthread
@@ -49,6 +52,7 @@
nobase_include_HEADERS += \
vlibmemory/api.h \
+ vlibmemory/api_common.h \
vlibmemory/vl_memory_api_h.h \
vlibmemory/vl_memory_msg_enum.h \
vlibmemory/unix_shared_memory_queue.h \
diff --git a/src/vlibapi/api.h b/src/vlibapi/api.h
index 0e2c210..49f5d5f 100644
--- a/src/vlibapi/api.h
+++ b/src/vlibapi/api.h
@@ -20,73 +20,13 @@
#ifndef included_api_h
#define included_api_h
+#include <stddef.h>
#include <vppinfra/error.h>
#include <svm/svm.h>
#include <vlib/vlib.h>
#include <vlibmemory/unix_shared_memory_queue.h>
#include <vlib/unix/unix.h>
-#include <stddef.h>
-
-typedef enum
-{
- REGISTRATION_TYPE_FREE = 0,
- REGISTRATION_TYPE_SHMEM,
- REGISTRATION_TYPE_SOCKET_LISTEN,
- REGISTRATION_TYPE_SOCKET_SERVER,
- REGISTRATION_TYPE_SOCKET_CLIENT,
-} vl_registration_type_t;
-
-typedef struct vl_api_registration_
-{
- vl_registration_type_t registration_type;
-
- /* Index in VLIB's brain (not shared memory). */
- u32 vl_api_registration_pool_index;
-
- u8 *name;
-
- /*
- * The following groups of data could be unioned, but my fingers are
- * going to be sore enough.
- */
-
- /* shared memory only */
- unix_shared_memory_queue_t *vl_input_queue;
-
- /* socket server and client */
- u32 unix_file_index;
- i8 *unprocessed_input;
- u32 unprocessed_msg_length;
- u8 *output_vector;
-
- /* socket client only */
- u32 server_handle;
- u32 server_index;
-
-} vl_api_registration_t;
-
-
-/* Trace configuration for a single message */
-typedef struct
-{
- int size;
- int trace_enable;
- int replay_enable;
-} trace_cfg_t;
-
-/*
- * API recording
- */
-typedef struct
-{
- u8 endian;
- u8 enabled;
- u8 wrapped;
- u8 pad;
- u32 nitems;
- u32 curindex;
- u8 **traces;
-} vl_api_trace_t;
+#include <vlibapi/api_common.h>
/* *INDENT-OFF* */
typedef CLIB_PACKED
@@ -97,200 +37,8 @@
}) vl_api_trace_file_header_t;
/* *INDENT-ON* */
-typedef enum
-{
- VL_API_TRACE_TX,
- VL_API_TRACE_RX,
-} vl_api_trace_which_t;
-
-#define VL_API_LITTLE_ENDIAN 0x00
-#define VL_API_BIG_ENDIAN 0x01
-
-typedef struct
-{
- u8 *name;
- u16 first_msg_id;
- u16 last_msg_id;
-} vl_api_msg_range_t;
-
-typedef clib_error_t *(vl_msg_api_init_function_t) (u32 client_index);
-
-typedef struct _vl_msg_api_init_function_list_elt
-{
- struct _vl_msg_api_init_function_list_elt *next_init_function;
- vl_msg_api_init_function_t *f;
-} _vl_msg_api_function_list_elt_t;
-
-typedef struct
-{
- void (**msg_handlers) (void *);
- int (**pd_msg_handlers) (void *, int);
- void (**msg_cleanup_handlers) (void *);
- void (**msg_endian_handlers) (void *);
- void (**msg_print_handlers) (void *, void *);
- const char **msg_names;
- u8 *message_bounce;
- u8 *is_mp_safe;
- struct ring_alloc_ *arings;
- u32 ring_misses;
- u32 garbage_collects;
- u32 missing_clients;
- vl_api_trace_t *rx_trace;
- vl_api_trace_t *tx_trace;
- int msg_print_flag;
- trace_cfg_t *api_trace_cfg;
- int our_pid;
- svm_region_t *vlib_rp;
- svm_region_t **mapped_shmem_regions;
- struct vl_shmem_hdr_ *shmem_hdr;
- vl_api_registration_t **vl_clients;
-
- u8 *serialized_message_table_in_shmem;
-
- /* For plugin msg allocator */
- u16 first_available_msg_id;
-
- /* message range by name hash */
- uword *msg_range_by_name;
-
- /* vector of message ranges */
- vl_api_msg_range_t *msg_ranges;
-
- /* uid for the api shared memory region */
- int api_uid;
- /* gid for the api shared memory region */
- int api_gid;
-
- /* base virtual address for global VM region */
- u64 global_baseva;
-
- /* size of the global VM region */
- u64 global_size;
-
- /* size of the API region */
- u64 api_size;
-
- /* size of the global VM private mheap */
- u64 global_pvt_heap_size;
-
- /* size of the api private mheap */
- u64 api_pvt_heap_size;
-
- /* Client-only data structures */
- unix_shared_memory_queue_t *vl_input_queue;
-
- /*
- * All VLIB-side message handlers use my_client_index to identify
- * the queue / client. This works in sim replay.
- */
- int my_client_index;
- /*
- * This is the (shared VM) address of the registration,
- * don't use it to id the connection since it can't possibly
- * work in simulator replay.
- */
- vl_api_registration_t *my_registration;
-
- i32 vlib_signal;
-
- /* vlib input queue length */
- u32 vlib_input_queue_length;
-
- /* client side message index hash table */
- uword *msg_index_by_name_and_crc;
-
- const char *region_name;
- const char *root_path;
-
- /* Replay in progress? */
- int replay_in_progress;
-
- /* List of API client reaper functions */
- _vl_msg_api_function_list_elt_t *reaper_function_registrations;
-
-} api_main_t;
-
-extern api_main_t api_main;
-
-typedef struct
-{
- int id;
- char *name;
- u32 crc;
- void *handler;
- void *cleanup;
- void *endian;
- void *print;
- int size;
- int traced;
- int replay;
- int message_bounce;
- int is_mp_safe;
-} vl_msg_api_msg_config_t;
-
-typedef struct msgbuf_
-{
- unix_shared_memory_queue_t *q;
- u32 data_len;
- u32 gc_mark_timestamp;
- u8 data[0];
-} msgbuf_t;
-
-/* api_shared.c prototypes */
-int vl_msg_api_rx_trace_enabled (api_main_t * am);
-int vl_msg_api_tx_trace_enabled (api_main_t * am);
-void vl_msg_api_trace (api_main_t * am, vl_api_trace_t * tp, void *msg);
-int vl_msg_api_trace_onoff (api_main_t * am, vl_api_trace_which_t which,
- int onoff);
-int vl_msg_api_trace_free (api_main_t * am, vl_api_trace_which_t which);
int vl_msg_api_trace_save (api_main_t * am,
vl_api_trace_which_t which, FILE * fp);
-int vl_msg_api_trace_configure (api_main_t * am, vl_api_trace_which_t which,
- u32 nitems);
-void vl_msg_api_handler_with_vm_node (api_main_t * am,
- void *the_msg, vlib_main_t * vm,
- vlib_node_runtime_t * node);
-void vl_msg_api_handler (void *the_msg);
-void vl_msg_api_handler_no_free (void *the_msg);
-void vl_msg_api_handler_no_trace_no_free (void *the_msg);
-void vl_msg_api_trace_only (void *the_msg);
-void vl_msg_api_cleanup_handler (void *the_msg);
-void vl_msg_api_replay_handler (void *the_msg);
-void vl_msg_api_socket_handler (void *the_msg);
-void vl_msg_api_set_handlers (int msg_id, char *msg_name,
- void *handler,
- void *cleanup,
- void *endian,
- void *print, int msg_size, int traced);
-void vl_msg_api_config (vl_msg_api_msg_config_t *);
-void vl_msg_api_set_cleanup_handler (int msg_id, void *fp);
-void vl_msg_api_queue_handler (unix_shared_memory_queue_t * q);
-vl_api_trace_t *vl_msg_api_trace_get (api_main_t * am,
- vl_api_trace_which_t which);
-
-void vl_msg_api_barrier_sync (void) __attribute__ ((weak));
-void vl_msg_api_barrier_release (void) __attribute__ ((weak));
-void vl_msg_api_free (void *);
-void vl_noop_handler (void *mp);
-void vl_msg_api_increment_missing_client_counter (void);
-void vl_msg_api_post_mortem_dump (void);
-void vl_msg_api_post_mortem_dump_enable_disable (int enable);
-void vl_msg_api_register_pd_handler (void *handler,
- u16 msg_id_host_byte_order);
-int vl_msg_api_pd_handler (void *mp, int rv);
-
-void vl_msg_api_set_first_available_msg_id (u16 first_avail);
-u16 vl_msg_api_get_msg_ids (const char *name, int n);
-void vl_msg_api_add_msg_name_crc (api_main_t * am, const char *string,
- u32 id);
-u32 vl_api_get_msg_index (u8 * name_and_crc);
-u32 vl_msg_api_get_msg_length (void *msg_arg);
-
-/* node_serialize.c prototypes */
-u8 *vlib_node_serialize (vlib_node_main_t * nm, u8 * vector,
- u32 max_threads, int include_nexts,
- int include_stats);
-vlib_node_t **vlib_node_unserialize (u8 * vector);
#define VLIB_API_INIT_FUNCTION(x) VLIB_DECLARE_INIT_FUNCTION(x,api_init)
@@ -350,8 +98,30 @@
return clib_net_to_host_u32 (header->data_len);
}
-#endif /* included_api_h */
+int vl_msg_api_rx_trace_enabled (api_main_t * am);
+int vl_msg_api_tx_trace_enabled (api_main_t * am);
+void vl_msg_api_trace (api_main_t * am, vl_api_trace_t * tp, void *msg);
+int vl_msg_api_trace_onoff (api_main_t * am, vl_api_trace_which_t which,
+ int onoff);
+int vl_msg_api_trace_free (api_main_t * am, vl_api_trace_which_t which);
+int vl_msg_api_trace_configure (api_main_t * am, vl_api_trace_which_t which,
+ u32 nitems);
+void vl_msg_api_handler_with_vm_node (api_main_t * am,
+ void *the_msg, vlib_main_t * vm,
+ vlib_node_runtime_t * node);
+vl_api_trace_t *vl_msg_api_trace_get (api_main_t * am,
+ vl_api_trace_which_t which);
+void vl_msg_api_add_msg_name_crc (api_main_t * am, const char *string,
+ u32 id);
+/* node_serialize.c prototypes */
+u8 *vlib_node_serialize (vlib_node_main_t * nm, u8 * vector,
+ u32 max_threads, int include_nexts,
+ int include_stats);
+vlib_node_t **vlib_node_unserialize (u8 * vector);
+u32 vl_msg_api_get_msg_length (void *msg_arg);
+
+#endif /* included_api_h */
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/src/vlibapi/api_common.h b/src/vlibapi/api_common.h
new file mode 100644
index 0000000..b84d269
--- /dev/null
+++ b/src/vlibapi/api_common.h
@@ -0,0 +1,268 @@
+/*
+ *------------------------------------------------------------------
+ * api_common.h
+ *
+ * Copyright (c) 2009-2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#ifndef included_api_common_h
+#define included_api_common_h
+
+#include <vppinfra/clib_error.h>
+#include <svm/svm_common.h>
+#include <vlibmemory/unix_shared_memory_queue.h>
+
+typedef enum
+{
+ REGISTRATION_TYPE_FREE = 0,
+ REGISTRATION_TYPE_SHMEM,
+ REGISTRATION_TYPE_SOCKET_LISTEN,
+ REGISTRATION_TYPE_SOCKET_SERVER,
+ REGISTRATION_TYPE_SOCKET_CLIENT,
+} vl_registration_type_t;
+
+typedef struct vl_api_registration_
+{
+ vl_registration_type_t registration_type;
+
+ /* Index in VLIB's brain (not shared memory). */
+ u32 vl_api_registration_pool_index;
+
+ u8 *name;
+
+ /*
+ * The following groups of data could be unioned, but my fingers are
+ * going to be sore enough.
+ */
+
+ /* shared memory only */
+ unix_shared_memory_queue_t *vl_input_queue;
+
+ /* socket server and client */
+ u32 unix_file_index;
+ i8 *unprocessed_input;
+ u32 unprocessed_msg_length;
+ u8 *output_vector;
+
+ /* socket client only */
+ u32 server_handle;
+ u32 server_index;
+
+} vl_api_registration_t;
+
+
+/* Trace configuration for a single message */
+typedef struct
+{
+ int size;
+ int trace_enable;
+ int replay_enable;
+} trace_cfg_t;
+
+/*
+ * API recording
+ */
+typedef struct
+{
+ u8 endian;
+ u8 enabled;
+ u8 wrapped;
+ u8 pad;
+ u32 nitems;
+ u32 curindex;
+ u8 **traces;
+} vl_api_trace_t;
+
+typedef enum
+{
+ VL_API_TRACE_TX,
+ VL_API_TRACE_RX,
+} vl_api_trace_which_t;
+
+#define VL_API_LITTLE_ENDIAN 0x00
+#define VL_API_BIG_ENDIAN 0x01
+
+typedef struct
+{
+ u8 *name;
+ u16 first_msg_id;
+ u16 last_msg_id;
+} vl_api_msg_range_t;
+
+typedef struct
+{
+ int id;
+ char *name;
+ u32 crc;
+ void *handler;
+ void *cleanup;
+ void *endian;
+ void *print;
+ int size;
+ int traced;
+ int replay;
+ int message_bounce;
+ int is_mp_safe;
+} vl_msg_api_msg_config_t;
+
+typedef struct msgbuf_
+{
+ unix_shared_memory_queue_t *q;
+ u32 data_len;
+ u32 gc_mark_timestamp;
+ u8 data[0];
+} msgbuf_t;
+
+/* api_shared.c prototypes */
+void vl_msg_api_handler (void *the_msg);
+void vl_msg_api_handler_no_free (void *the_msg);
+void vl_msg_api_handler_no_trace_no_free (void *the_msg);
+void vl_msg_api_trace_only (void *the_msg);
+void vl_msg_api_cleanup_handler (void *the_msg);
+void vl_msg_api_replay_handler (void *the_msg);
+void vl_msg_api_socket_handler (void *the_msg);
+void vl_msg_api_set_handlers (int msg_id, char *msg_name,
+ void *handler,
+ void *cleanup,
+ void *endian,
+ void *print, int msg_size, int traced);
+void vl_msg_api_config (vl_msg_api_msg_config_t *);
+void vl_msg_api_set_cleanup_handler (int msg_id, void *fp);
+void vl_msg_api_queue_handler (unix_shared_memory_queue_t * q);
+
+void vl_msg_api_barrier_sync (void) __attribute__ ((weak));
+void vl_msg_api_barrier_release (void) __attribute__ ((weak));
+void vl_msg_api_free (void *);
+void vl_noop_handler (void *mp);
+void vl_msg_api_increment_missing_client_counter (void);
+void vl_msg_api_post_mortem_dump (void);
+void vl_msg_api_post_mortem_dump_enable_disable (int enable);
+void vl_msg_api_register_pd_handler (void *handler,
+ u16 msg_id_host_byte_order);
+int vl_msg_api_pd_handler (void *mp, int rv);
+
+void vl_msg_api_set_first_available_msg_id (u16 first_avail);
+u16 vl_msg_api_get_msg_ids (const char *name, int n);
+u32 vl_api_get_msg_index (u8 * name_and_crc);
+
+typedef clib_error_t *(vl_msg_api_init_function_t) (u32 client_index);
+
+typedef struct _vl_msg_api_init_function_list_elt
+{
+ struct _vl_msg_api_init_function_list_elt *next_init_function;
+ vl_msg_api_init_function_t *f;
+} _vl_msg_api_function_list_elt_t;
+
+typedef struct
+{
+ void (**msg_handlers) (void *);
+ int (**pd_msg_handlers) (void *, int);
+ void (**msg_cleanup_handlers) (void *);
+ void (**msg_endian_handlers) (void *);
+ void (**msg_print_handlers) (void *, void *);
+ const char **msg_names;
+ u8 *message_bounce;
+ u8 *is_mp_safe;
+ struct ring_alloc_ *arings;
+ u32 ring_misses;
+ u32 garbage_collects;
+ u32 missing_clients;
+ vl_api_trace_t *rx_trace;
+ vl_api_trace_t *tx_trace;
+ int msg_print_flag;
+ trace_cfg_t *api_trace_cfg;
+ int our_pid;
+ svm_region_t *vlib_rp;
+ svm_region_t **mapped_shmem_regions;
+ struct vl_shmem_hdr_ *shmem_hdr;
+ vl_api_registration_t **vl_clients;
+
+ u8 *serialized_message_table_in_shmem;
+
+ /* For plugin msg allocator */
+ u16 first_available_msg_id;
+
+ /* message range by name hash */
+ uword *msg_range_by_name;
+
+ /* vector of message ranges */
+ vl_api_msg_range_t *msg_ranges;
+
+ /* uid for the api shared memory region */
+ int api_uid;
+ /* gid for the api shared memory region */
+ int api_gid;
+
+ /* base virtual address for global VM region */
+ u64 global_baseva;
+
+ /* size of the global VM region */
+ u64 global_size;
+
+ /* size of the API region */
+ u64 api_size;
+
+ /* size of the global VM private mheap */
+ u64 global_pvt_heap_size;
+
+ /* size of the api private mheap */
+ u64 api_pvt_heap_size;
+
+ /* Client-only data structures */
+ unix_shared_memory_queue_t *vl_input_queue;
+
+ /*
+ * All VLIB-side message handlers use my_client_index to identify
+ * the queue / client. This works in sim replay.
+ */
+ int my_client_index;
+ /*
+ * This is the (shared VM) address of the registration,
+ * don't use it to id the connection since it can't possibly
+ * work in simulator replay.
+ */
+ vl_api_registration_t *my_registration;
+
+ i32 vlib_signal;
+
+ /* vlib input queue length */
+ u32 vlib_input_queue_length;
+
+ /* client side message index hash table */
+ uword *msg_index_by_name_and_crc;
+
+ const char *region_name;
+ const char *root_path;
+
+ /* Replay in progress? */
+ int replay_in_progress;
+
+ /* List of API client reaper functions */
+ _vl_msg_api_function_list_elt_t *reaper_function_registrations;
+
+} api_main_t;
+
+extern api_main_t api_main;
+
+
+#endif /* included_api_common_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vlibmemory/api.h b/src/vlibmemory/api.h
index c195e18..2a1438f 100644
--- a/src/vlibmemory/api.h
+++ b/src/vlibmemory/api.h
@@ -20,81 +20,12 @@
#ifndef included_vlibmemory_api_h
#define included_vlibmemory_api_h
-#include <vppinfra/error.h>
#include <svm/svm.h>
#include <vlib/vlib.h>
#include <vlibmemory/unix_shared_memory_queue.h>
#include <vlib/unix/unix.h>
#include <vlibapi/api.h>
-
-/* Allocated in shared memory */
-
-/*
- * Ring-allocation scheme for client API messages
- *
- * Only one proc/thread has control of a given message buffer.
- * To free a buffer allocated from one of these rings, we clear
- * a field in the buffer (header), and leave.
- *
- * No locks, no hits, no errors...
- */
-typedef struct ring_alloc_
-{
- unix_shared_memory_queue_t *rp;
- u16 size;
- u16 nitems;
- u32 hits;
- u32 misses;
-} ring_alloc_t;
-
-/*
- * Initializers for the (shared-memory) rings
- * _(size, n). Note: each msg has an 8 byte header.
- * Might want to change that to an index sometime.
- */
-#define foreach_vl_aring_size \
-_(64+8, 1024) \
-_(256+8, 128) \
-_(1024+8, 64)
-
-#define foreach_clnt_aring_size \
-_(1024+8, 1024) \
-_(2048+8, 128) \
-_(4096+8, 8)
-
-typedef struct vl_shmem_hdr_
-{
- int version;
-
- /* getpid () for the VLIB client process */
- volatile int vl_pid;
-
- /* Client sends VLIB msgs here. */
- unix_shared_memory_queue_t *vl_input_queue;
-
- /* Vector of rings; one for each size. */
-
- /* VLIB allocates buffers to send msgs to clients here. */
- ring_alloc_t *vl_rings;
-
- /* Clients allocate buffer to send msgs to VLIB here. */
- ring_alloc_t *client_rings;
-
- /* Number of detected application restarts */
- u32 application_restarts;
-
- /* Number of messages reclaimed during application restart */
- u32 restart_reclaims;
-
- /* Number of garbage-collected messages */
- u32 garbage_collects;
-
-} vl_shmem_hdr_t;
-
-#define VL_SHM_VERSION 2
-
-#define VL_API_EPOCH_MASK 0xFF
-#define VL_API_EPOCH_SHIFT 8
+#include <vlibmemory/api_common.h>
static inline u32
vl_msg_api_handle_get_epoch (u32 index)
@@ -118,43 +49,7 @@
return handle;
}
-void *vl_msg_api_alloc (int nbytes);
-void *vl_msg_api_alloc_or_null (int nbytes);
-void *vl_msg_api_alloc_as_if_client (int nbytes);
-void *vl_msg_api_alloc_as_if_client_or_null (int nbytes);
-void vl_msg_api_free (void *a);
-int vl_map_shmem (const char *region_name, int is_vlib);
-void vl_register_mapped_shmem_region (svm_region_t * rp);
-void vl_unmap_shmem (void);
-void vl_msg_api_send_shmem (unix_shared_memory_queue_t * q, u8 * elem);
-void vl_msg_api_send_shmem_nolock (unix_shared_memory_queue_t * q, u8 * elem);
-void vl_msg_api_send (vl_api_registration_t * rp, u8 * elem);
-int vl_client_connect (const char *name, int ctx_quota, int input_queue_size);
-void vl_client_disconnect (void);
-unix_shared_memory_queue_t *vl_api_client_index_to_input_queue (u32 index);
-vl_api_registration_t *vl_api_client_index_to_registration (u32 index);
-int vl_client_api_map (const char *region_name);
-void vl_client_api_unmap (void);
-void vl_set_memory_region_name (const char *name);
-void vl_set_memory_root_path (const char *root_path);
-void vl_set_memory_uid (int uid);
-void vl_set_memory_gid (int gid);
-void vl_set_global_memory_baseva (u64 baseva);
-void vl_set_global_memory_size (u64 size);
-void vl_set_api_memory_size (u64 size);
-void vl_set_global_pvt_heap_size (u64 size);
-void vl_set_api_pvt_heap_size (u64 size);
void vl_enable_disable_memory_api (vlib_main_t * vm, int yesno);
-void vl_client_disconnect_from_vlib (void);
-int vl_client_connect_to_vlib (const char *svm_name,
- const char *client_name, int rx_queue_size);
-int vl_client_connect_to_vlib_no_rx_pthread (const char *svm_name,
- const char *client_name,
- int rx_queue_size);
-u16 vl_client_get_first_plugin_msg_id (const char *plugin_name);
-
-void vl_api_rpc_call_main_thread (void *fp, u8 * data, u32 data_length);
-
#endif /* included_vlibmemory_api_h */
/*
diff --git a/src/vlibmemory/api_common.h b/src/vlibmemory/api_common.h
new file mode 100644
index 0000000..53909cc
--- /dev/null
+++ b/src/vlibmemory/api_common.h
@@ -0,0 +1,138 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2009 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#ifndef included_vlibmemory_api_common_h
+#define included_vlibmemory_api_common_h
+
+#include <svm/svm_common.h>
+#include <vlibapi/api_common.h>
+#include <vlibmemory/unix_shared_memory_queue.h>
+
+/* Allocated in shared memory */
+
+/*
+ * Ring-allocation scheme for client API messages
+ *
+ * Only one proc/thread has control of a given message buffer.
+ * To free a buffer allocated from one of these rings, we clear
+ * a field in the buffer (header), and leave.
+ *
+ * No locks, no hits, no errors...
+ */
+typedef struct ring_alloc_
+{
+ unix_shared_memory_queue_t *rp;
+ u16 size;
+ u16 nitems;
+ u32 hits;
+ u32 misses;
+} ring_alloc_t;
+
+/*
+ * Initializers for the (shared-memory) rings
+ * _(size, n). Note: each msg has an 8 byte header.
+ * Might want to change that to an index sometime.
+ */
+#define foreach_vl_aring_size \
+_(64+8, 1024) \
+_(256+8, 128) \
+_(1024+8, 64)
+
+#define foreach_clnt_aring_size \
+_(1024+8, 1024) \
+_(2048+8, 128) \
+_(4096+8, 8)
+
+typedef struct vl_shmem_hdr_
+{
+ int version;
+
+ /* getpid () for the VLIB client process */
+ volatile int vl_pid;
+
+ /* Client sends VLIB msgs here. */
+ unix_shared_memory_queue_t *vl_input_queue;
+
+ /* Vector of rings; one for each size. */
+
+ /* VLIB allocates buffers to send msgs to clients here. */
+ ring_alloc_t *vl_rings;
+
+ /* Clients allocate buffer to send msgs to VLIB here. */
+ ring_alloc_t *client_rings;
+
+ /* Number of detected application restarts */
+ u32 application_restarts;
+
+ /* Number of messages reclaimed during application restart */
+ u32 restart_reclaims;
+
+ /* Number of garbage-collected messages */
+ u32 garbage_collects;
+
+} vl_shmem_hdr_t;
+
+#define VL_SHM_VERSION 2
+
+#define VL_API_EPOCH_MASK 0xFF
+#define VL_API_EPOCH_SHIFT 8
+
+void *vl_msg_api_alloc (int nbytes);
+void *vl_msg_api_alloc_or_null (int nbytes);
+void *vl_msg_api_alloc_as_if_client (int nbytes);
+void *vl_msg_api_alloc_as_if_client_or_null (int nbytes);
+void vl_msg_api_free (void *a);
+int vl_map_shmem (const char *region_name, int is_vlib);
+void vl_register_mapped_shmem_region (svm_region_t * rp);
+void vl_unmap_shmem (void);
+void vl_msg_api_send_shmem (unix_shared_memory_queue_t * q, u8 * elem);
+void vl_msg_api_send_shmem_nolock (unix_shared_memory_queue_t * q, u8 * elem);
+void vl_msg_api_send (vl_api_registration_t * rp, u8 * elem);
+int vl_client_connect (const char *name, int ctx_quota, int input_queue_size);
+void vl_client_disconnect (void);
+unix_shared_memory_queue_t *vl_api_client_index_to_input_queue (u32 index);
+vl_api_registration_t *vl_api_client_index_to_registration (u32 index);
+int vl_client_api_map (const char *region_name);
+void vl_client_api_unmap (void);
+void vl_set_memory_region_name (const char *name);
+void vl_set_memory_root_path (const char *root_path);
+void vl_set_memory_uid (int uid);
+void vl_set_memory_gid (int gid);
+void vl_set_global_memory_baseva (u64 baseva);
+void vl_set_global_memory_size (u64 size);
+void vl_set_api_memory_size (u64 size);
+void vl_set_global_pvt_heap_size (u64 size);
+void vl_set_api_pvt_heap_size (u64 size);
+void vl_client_disconnect_from_vlib (void);
+int vl_client_connect_to_vlib (const char *svm_name, const char *client_name,
+ int rx_queue_size);
+int vl_client_connect_to_vlib_no_rx_pthread (const char *svm_name,
+ const char *client_name,
+ int rx_queue_size);
+u16 vl_client_get_first_plugin_msg_id (const char *plugin_name);
+
+void vl_api_rpc_call_main_thread (void *fp, u8 * data, u32 data_length);
+
+#endif /* included_vlibmemory_api_common_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vppinfra.am b/src/vppinfra.am
index ff2b8ea..785445a 100644
--- a/src/vppinfra.am
+++ b/src/vppinfra.am
@@ -167,6 +167,7 @@
vppinfra/byte_order.h \
vppinfra/cache.h \
vppinfra/clib.h \
+ vppinfra/clib_error.h \
vppinfra/cpu.h \
vppinfra/crc32.h \
vppinfra/dlist.h \
diff --git a/src/vppinfra/clib_error.h b/src/vppinfra/clib_error.h
new file mode 100644
index 0000000..45f18eb
--- /dev/null
+++ b/src/vppinfra/clib_error.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef included_clib_error_h
+#define included_clib_error_h
+
+#include <vppinfra/types.h>
+
+typedef struct
+{
+ /* Error message. */
+ u8 *what;
+
+ /* Where error occurred (e.g. __FUNCTION__ __LINE__) */
+ const u8 *where;
+
+ uword flags;
+
+ /* Error code (e.g. errno for Unix errors). */
+ any code;
+} clib_error_t;
+
+#endif
diff --git a/src/vppinfra/error.h b/src/vppinfra/error.h
index e51f938..e0e2d47 100644
--- a/src/vppinfra/error.h
+++ b/src/vppinfra/error.h
@@ -72,19 +72,7 @@
#define clib_panic(format,args...) \
_clib_error (CLIB_ERROR_ABORT, (char *) clib_error_function, __LINE__, format, ## args)
-typedef struct
-{
- /* Error message. */
- u8 *what;
-
- /* Where error occurred (e.g. __FUNCTION__ __LINE__) */
- const u8 *where;
-
- uword flags;
-
- /* Error code (e.g. errno for Unix errors). */
- any code;
-} clib_error_t;
+#include <vppinfra/clib_error.h>
#define clib_error_get_code(err) ((err) ? (err)->code : 0)
#define clib_error_set_code(err, c) \